Add demo script.

.gitignore

@@ -1,5 +1,5 @@
 /target
-/workspace
 /workflow.toml
-/.row
-/.signac
+workspace
+.row
+.signac

demo/demo.sh

@@ -0,0 +1,19 @@
+mkdir workspace || exit 1
+cd workspace
+
+for i in {1..100}
+do
+  mkdir dir$i || exit 1
+  v=$((1 + RANDOM % 1000))
+  echo "{\"value\": $v}" > dir$i/value.json || exit 1
+done
+
+row submit --cluster none --action=initialize -n 5 --yes || exit 1
+
+row submit --cluster none --action=step1 -n 1 --yes || exit 1
+
+row submit --action=step1 -n 1 --yes || exit 1
+
+row show status || exit 1
+
+row show directories step1 -n 3

demo/workflow.toml

@@ -0,0 +1,24 @@
+[workspace]
+value_file = "value.json"
+
+[[action]]
+name = "initialize"
+command = "touch workspace/{directory}/initialize.out"
+products = ["initialize.out"]
+resources.walltime.per_directory = "00:10:00"
+group.maximum_size = 10
+
+[[action]]
+name = "step1"
+command = "touch workspace/{directory}/step1.out"
+products = ["step1.out"]
+resources.walltime.per_directory = "1 day, 00:00:00"
+group.maximum_size = 10
+
+[[action]]
+name = "step2"
+command = "touch workspace/{directory}/step2.out"
+products = ["step2.out"]
+resources.walltime.per_directory = "08:00:00"
+resources.gpus_per_process = 1
+group.maximum_size = 10